| 摘要 |
PROBLEM TO BE SOLVED: To prevent the oversight of oil leakage in the manufacturing process of a liquid operated device, and easily find the oil leakage from the liquid operated device at the inspection of facilities. SOLUTION: The liquid operated device is provided for transmitting force between the inside and the outside of a case by an operating liquid Q filled in a case. The device comprises a material D mixed in the operating liquid for finding the existence of the operating liquid Q. When the operating liquid Q leaks from the liquid operated device, it is extremely easy to find the leakage and easy to prevent the oversight of the oil leakage in the manufacturing process, thus resulting in improving quality and reducing cost. This greatly simplifies work for checking the oil leakage at the inspection of facilities and greatly improves inspection reliability. COPYRIGHT: (C)2008,JPO&INPIT
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